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文章摘要
基于FIMD和Hilbert变换的高压输电线路行波故障定位方法
Traveling Wave Fault Location Method for High Voltage Transmission Lines Based on FIMD and Hilbert Transform
Received:April 12, 2019  Revised:April 12, 2019
DOI：10.19753/j.issn1001-1390.2020.18.013
中文关键词: Hilbert变换  行波波头  行波测距  故障定位
英文关键词: FIMD  Hilbert transform  traveling wave head  traveling wave location  fault location
基金项目:
Author NameAffiliationE-mail
zhaohialong* Electric Power Research Institute of Hainan Power Grid Corporation Ltd xuruili7502@163.com 
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中文摘要:
      针对传统高压输电线路行波故障定位精度差且易受行波波速影响等问题，本文提出了一种新型基于快速本征模态分解算法（Fast Intrinsic Mode Decomposition, FIMD）和希尔伯特（Hilbert）变换的高压输电线路行波故障定位方法。该方法采用FIMD对暂态行波信号进行分解以提取固有模态分量，并利用Hilbert变换对其进行频谱分析，进而实现对行波波头的检测。在此基础上，结合行波的传播路径及其测距原理，提出高压输电线路行波故障定位新算法。最后，在PSCAD/EMTDC中搭建某实际500kV双端输电线路模型，验证了所提方法的可行性和有效性。
英文摘要:
      
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